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Beta-cyfluthrin water-emulsion composition for preventing and controlling peach borer and preparation method thereof

A technology of high-efficiency cyfluthrin and peach borer, applied in botany equipment and methods, pesticides, applications, etc., can solve problems such as environmental pollution and economic waste, and achieve the effects of reducing costs, saving labor, and protecting the environment

Inactive Publication Date: 2017-08-25
CHINA AGRI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terms of pesticides that are actually sprayed on crop targets, only 20-30% of traditional pesticide formulations are effectively used, which not only causes economic waste, but also causes large-scale environmental pollution

Method used

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  • Beta-cyfluthrin water-emulsion composition for preventing and controlling peach borer and preparation method thereof
  • Beta-cyfluthrin water-emulsion composition for preventing and controlling peach borer and preparation method thereof
  • Beta-cyfluthrin water-emulsion composition for preventing and controlling peach borer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] S1. Dissolve 2.5 parts by mass of lambda-cyhalothrin in 10.0 parts by mass of ethanol to obtain solution A;

[0018] S2. The solution A obtained in step S1 is first added to a high-speed shearing machine, and at a speed of 500 rpm, 2.0 parts by mass of isotridecyl alcohol ethoxy compound and 6.0 parts by mass of phenethylphenol Vinyl ether, 0.2 parts by mass of xanthan gum, and 5.0 parts by mass of ethylene glycol were added to the high-speed shearing machine to obtain solution B (dispersed phase);

[0019] S3. Under the condition of rotating speed of 5000rpm, slowly add 74.3 parts by mass of deionized water (continuous phase) to the solution B obtained in step S2 (dispersed phase), after the addition, keep the rotating speed of 5000rpm for high-speed shearing, and the shearing time is not In less than 30 minutes, a Lambda-cyhalothrin aqueous emulsion is obtained.

Embodiment 2

[0021] S1. Dissolve 2.8 parts by mass of lambda-cyfluthrin in 11.0 parts by mass of ethanol to obtain solution A;

[0022] S2, S2, firstly add the solution A obtained in step S1 to the high-speed shearing machine, and slowly add 2.5 parts by mass of isotridecyl alcohol ethoxy compound and 6.5 parts by mass of phenethyl phenol under the condition of rotating speed of 800 rpm. Polyoxyethylene ether, 0.3 parts by mass of xanthan gum, and 6.0 parts by mass of ethylene glycol are added to the high-speed shearing machine to obtain solution B (dispersed phase);

[0023] S3. Under the condition of rotating speed of 8000rpm, slowly add 70.9 parts by mass of deionized water (continuous phase) to the solution B obtained in step S2 (dispersed phase). After the addition is completed, keep the rotating speed at 8000rpm for high-speed shearing. In less than 30 minutes, a Lambda-cyhalothrin aqueous emulsion is obtained.

Embodiment 3

[0025] S1. Dissolve 2.65 parts by mass of lambda-cyfluthrin in 10.5 parts by mass of ethanol to obtain solution A;

[0026] S2. The solution A obtained in step S1 is first added to a high-speed shearing machine, and 2.25 parts by mass of isotridecyl alcohol ethoxy compound and 6.25 parts by mass of phenethylphenol polyoxygen Vinyl ether, 0.25 parts by mass of xanthan gum, and 5.5 parts by mass of ethylene glycol were added to the high-speed shearing machine to obtain solution B (dispersed phase);

[0027] S3. Under the condition of rotating speed of 6500rpm, slowly add 72.6 parts by mass of deionized water (continuous phase) to the solution B obtained in step S2 (dispersed phase). After the addition is completed, keep the rotating speed at 6500rpm for high-speed shearing. In less than 30 minutes, a Lambda-cyhalothrin aqueous emulsion is obtained.

[0028] The composition, decomposition rate, liquid particle size, surface tension of the diluent, the static contact angle of the diluen...

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Abstract

The invention discloses a high-beta-cyfluthrin water-emulsion composition for preventing and treating peach borer worm and a preparation method thereof. The composition is prepared from the following components in parts by weight: 2.5-2.8 parts of beta-cyfluthrin, 2.0-2.5 parts of three-carbon alcohol ethoxylate, 6.0-6.5 parts of phenylethylphenol polyoxyethylene ether, 10.0-11.0 parts of ethanol, 0.2-0.3 parts of xanthan gum, 5.0-6.0 parts of ethylene glycol and deionized water 74.3‑70.9 parts. The present invention reduces the amount of organic solvent in the pesticide preparation by 70%, and improves the problem of poor stability of beta-cyfluthrin water-emulsion. The diameter range is 1.5‑3.5um). At the same time, the surface tension of the composition diluted 3000 times is 53.40mN / m, which is significantly lower than that of similar products, which is beneficial to the adhesion on the target surface and improves the utilization rate of pesticides.

Description

Technical field [0001] The invention relates to the technical field of pesticide production, in particular to a high-efficiency cyhalothrin aqueous emulsion composition for preventing and controlling peach heartworm and a preparation method thereof. Background technique [0002] With the increasing awareness of environmental protection and food safety in the whole society, the negative impact of the production and use of pesticides on the environment has attracted increasing attention, environmental protection regulations have become increasingly stringent, and the threshold for pesticide residue limits in agricultural products has continued to increase. Challenges are coming more and more severe. In the "Twelfth Five-Year Plan" of the pesticide industry, "vigorously promote the development of pesticide formulations in the direction of water-based, dust-free, controlled release and other high-efficiency and safety" as a key task in the future. Some safe, economical, and labor-sa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N53/08A01N25/04A01P7/04
Inventor 高越范仁俊刘中芳张鹏九郭瑞峰王振史高川
Owner CHINA AGRI UNIV
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